#include <DB/Parsers/ASTSampleRatio.h>

namespace DB
{


String ASTSampleRatio::toString(BigNum num)
{
	if (num == 0)
		return "0";

	static const size_t MAX_WIDTH = 40;

	char tmp[MAX_WIDTH];

	char * pos;
	for (pos = tmp + MAX_WIDTH - 1; num != 0; --pos)
	{
		*pos = '0' + num % 10;
		num /= 10;
	}

	++pos;

	return String(pos, tmp + MAX_WIDTH - pos);
}


String ASTSampleRatio::toString(Rational ratio)
{
	if (ratio.denominator == 1)
		return toString(ratio.numerator);
	else
		return toString(ratio.numerator) + " / " + toString(ratio.denominator);
}




}
